648 



U. S. NATIONAL MUSEUM BULLETIN 216 



investigator, Xorides (Moerophora), 

 Xylonomus, 496 



investigatrix, Pimpla, 162 



iridipennis, Dolichomitus, Ephialtes, 

 129 



irrigator, Xorides (Xorides), Ichneu- 

 mon, Xylonomus, 501, 



irritator, Dolichomitus, Ichneumon, 113 

 and 114 (key), 137, 139; and 



584, 629, 631 (figs.) 



Irritator group, Dolichomitus, 113, 114, 



and 115 (key), 128 

 Ischnoceros, 488 (key), 600 (fig.) 

 clivulus, 488, 439 

 rusticus, 438 

 Iseropus, 7, 9 (key), 16, 101, 165, 217, 



585 (fig.) 

 brunneifrons septentrionalis, 168 

 californiensis, 166 and 167 (key), 



170, 172, 617 and 633 (figs.) 

 coelebs, 166 (key), 171, 172, 617 



and 633 (figs.) 

 epicnapterus, 166 

 graminellae, 165 

 hakonensis, 165, 166 

 himalayensis, 166 

 inquisitor, 165, 166 

 orientalis, 166 

 satanus, 166 

 stercorator, 166 and 167 (key); and 



585, 627, 633 (figs.) 

 stercorator orgyiae, 167 (key), 168 

 stercorator stercorator, 167 (key), 



168 

 Itoplectis, 281 (key), 594 (fig.) 

 alternans, 284 

 behrensii, 282 (key), 296, 297, 622 



(fig.) 

 clavicornis, 298, 299, 300 

 conquisitor, 282 (key), 287, 288, 



621 (fig.) 

 curticauda, 282 (key), 800 

 curticauda brevacus, 300 (key), 



301, 622 (fig.) 

 curticauda curticauda, 300 (key), 



301 

 esuchus, 283 

 evetriae, 282 (key), 294, 295, 621 



(fig.) 

 exareolatus, 324 

 fustiger, 282 (key), 298, 299, 622 



(fig.) 

 kolthoffi, 283 



Itoplectis — Continued 

 latus, 283 

 leavitti, 283 

 maculator, 281 

 melanocephala, 300 

 montana, 283 

 obesus, 283 

 pacificus, 283 

 plesia, 295 

 quadricingulata, 282 (key), 283, 



580 and 621 (figs.) 

 temnopleuris, 287 

 vesca, 282 (key), 297, 622 (fig.) 

 viduata, 282 (kev), 293, 294, 621 

 (fig.) 



jakolevi, Xorides (Moerophora), Xylo- 

 nomus, Macrosterotrichus, 496 



japonica, Delomerista, 365 (key), 367, 

 609 (fig.) 



japonica, Theronia, 354 



japonica, Zatypota, Polysphincta, 263 



Japonica group, Delomerista, 364 and 

 365 (key) 



japonicus, Perithous mediator, 210 

 (key), 214 



jezoensis, Dolichomitus tuberculatus, 

 125 (key), 127 



jezoensis, Odontocolon, Odontomerus, 

 454 



jezoensis, Xorides (Moerophora), Xylo- 

 nomus, 496 



jozana, Rhyssa, 401 



jubata, Acrodactyla, 231 (key), 232, 619 

 (fig.) 



kimishimae, Epiurus, 166 



kincaidii, Zagtyptus, 235 



koebelei, Polysphincta, Zaglyptus, 246 

 (key), 'S5S, 620 (fig.) 



kolthoffi, Itoplectis, Pimpla, 283 



konduensis, Xorides (Xorides), Xylo- 

 nomus (Amphixylonomus), 502 



kriegeri, Coccygomimus, Liotheronia, 

 311 



Labena, 531, 602 (fig.) 

 apicalis, 533 

 chadwickii, 531 

 confusa, 533 

 confusa minor, 533 

 grallator, 531 (key), 602 (fig.) 

 grallator balteata, 532 (key), 536 



